LMMS / LMMS/lmms

Window border flickers on dragging

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#5,705 5 comments 0 reactions 0 assignees View on GitHub

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bug
Dominant language
C++
Stars
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Forks
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Avg merge
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Merged PRs (30d)
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Description

### Bug Summary
When dragging any in-app window, the border on the side towards drag direction starts to flicker.

#### Screenshot
![ezgif com-video-to-gif(2)](https://user-images.githubusercontent.com/37851576/95143013-b68e0800-077d-11eb-94f7-f2c86eb9938a.gif)

#### Affected LMMS versions
1.2.1

OS Version:
KDE Neon 5.19

#### Logs

Click to expand


Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the flicker while dragging an in-app window on LMMS 1.2.1 under KDE Neon 5.19, then trace the code responsible for drawing the window border during dragging. Done means the border remains stable throughout dragging without introducing regressions.

Written by the indexing model from the issue text.

Assessment

Tech stack
cpp
Domain
desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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